Surveys

Survey operations in progress until 12 oct by M/V ramform tethys towing 12 11900 meter long cables in area…

Western North Atlantic · NAVAREA IV 889/21

issued
2021-10-01 09:26Z
status
cancelled 2021-10-09 03:41Z (archive)
authority
M/V RAMFORM TETHYS 302050Z SEP 21.
sea
North Atlantic Ocean
position
9.715, -54.169
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH ATLANTIC.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 12 OCT
   BY M/V RAMFORM TETHYS TOWING 12 11900 METER
   LONG CABLES IN AREA BOUND BY
   10-09.5N 055-43.5W, 09-38.1N 052-34.4W,
   09-16.2N 052-37.9W, 09-48.1N 055-46.4W.
   NINE MILE BERTH REQUESTED.
2. CANCEL THIS MSG 13 OCT 21.

This area · survey operations

62 within 180 nm since 2007 · 1 in the last 12 months · 1 in force now

07
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26

Season · when survey operations happen here

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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

84 survey operations in force · see all

Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.